Ferns often have small bumps arranged in rows on their undersides. What are these structures?
A. Seed capsules
B. Spore capsules
C. Parasites
D. Nodules containing symbiotic bacteria
Answer: B
You might also like to view...
Integrins are glycoproteins that help link the cytoskeleton and the:
A. cytoplasm. B. cell wall. C. ribosomes. D. extracellular matrix.
Which example represents a structural adaptation that an endotherm might make to maintain body temperature?
a. spraying oneself with water b. seeking shade under a plant c. increasing activity level d. having feathers e. shivering
Which of the following are homologous?
A) the forelimb of a dog and the hindlimb of a cat B) the forelimb of a dog and the forelimb of a cat C) wings of a butterfly and wings of a sparrow D) the mouth of a mosquito and the beak of a hummingbird
Which organism is killed by atmospheric oxygen?
A. facultative anaerobe B. obligate aerobe C. obligate anaerobe D. aerotolerant anaerobe